package com.designMode.proxy;

import com.designMode.proxy.code.Person;
import com.designMode.proxy.code.TheGreatWall;
import com.designMode.proxy.code.ViewPointProxy;

public class Main {
    public static void main(String[] args) {
        String substring = "sdf".substring(0, 1);
        System.out.println(substring);

    }
}
